Category: Anatomy and Physiology

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Erythropoiesis

Red Blood Cells (RBC’s) also called erythrocytes, are oxygen carrying cells. It is derived from the Greek words “erythros” meaning “red,” “kytos” meaning “hollow” and “cyte” translated as “cell” in modern language. These cells are anuclaeted (without nucleus) and contain hemoglobin. Hemoglobin is the iron-containing component of the RBC and is responsible for oxygen transport.

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Why You Should Know Your Anatomy

The journey to being a nurse isn’t easy. It’s not always smooth-sailing and downright simple. The rough road to success is paved with trials that we must overcome. Difficulties, such as complicated subjects like Anatomy and Physiology that if we only try to patiently understand and value, will help us learn to become efficient and quality nurses someday.

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Physiology of Reflexes

A reflex or reflex action is an involuntary activity that is usually carried out instantly in a response to a stimulus without the involvement of conscious effort. There are different...

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Anatomy and Physiology: Endocrine System

Anatomy and Physiology: Endocrine System

What is an Endocrine System?

The endocrine system regulates body processes slower than the nervous system. If the latter body system uses nerve impulses to make immediate action, the former body regulating system acts by the use of chemical messengers called HORMONES, which are released into the blood to be transported leisurely throughout the body that may affect one or several organs. Glands make up the endocrine system and are responsible for producing and secreting hormones. The major glands of this body system are the following:

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Neurotransmitters and How They Work

Definition Nerve cells arranged in networks communicate information with one another through neurotransmission which is the conduction of electrical messages from neuron to neuron. The electrochemical messages cross the synapses...

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Layers of Meninges

Overview Brain and spinal cord protection is made possible by enclosing these structures within bones such as the skull and the verterbrae, presence of the CSF that creates a watery...

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Cranial Nerves

Cranial Nerves The cranial nerve is a part of the peripheral nervous system and primarily serves the head and the neck. There are about 12 pairs of cranial nerves where...

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Cerebrospinal Fluid

Definition Cerebrospinal fluid (CSF) is a clear and colorless fluid. It is a watery broth similar in its makeup to blood plasma, from which it forms. The cerebrospinal fluid is...